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mm: remove try_to_free_swap()
All callers have now been converted to folio_free_swap() and we can remove this wrapper. Link: https://lkml.kernel.org/r/20220902194653.1739778-49-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -510,7 +510,6 @@ extern int __swp_swapcount(swp_entry_t entry);
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extern int swp_swapcount(swp_entry_t entry);
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extern struct swap_info_struct *page_swap_info(struct page *);
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extern struct swap_info_struct *swp_swap_info(swp_entry_t entry);
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extern int try_to_free_swap(struct page *);
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struct backing_dev_info;
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extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);
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extern void exit_swap_address_space(unsigned int type);
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@ -595,11 +594,6 @@ static inline int swp_swapcount(swp_entry_t entry)
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return 0;
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}
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static inline int try_to_free_swap(struct page *page)
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{
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return 0;
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}
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static inline swp_entry_t folio_alloc_swap(struct folio *folio)
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{
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swp_entry_t entry;
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@ -146,10 +146,3 @@ void putback_lru_page(struct page *page)
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{
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folio_putback_lru(page_folio(page));
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}
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#ifdef CONFIG_SWAP
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int try_to_free_swap(struct page *page)
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{
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return folio_free_swap(page_folio(page));
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}
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#endif
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@ -3844,7 +3844,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
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if (swapcache) {
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/*
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* Make sure try_to_free_swap or swapoff did not release the
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* Make sure folio_free_swap() or swapoff did not release the
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* swapcache from under us. The page pin, and pte_same test
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* below, are not enough to exclude that. Even if it is still
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* swapcache, we need to check that the page's swap has not
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